4 ms·
It's somewhat scale dependent. If you zoom in enough on the OP image you can make out the cross-hatching quite easily, but at preview scale (i.e. standing furth
by aldonius 3y ago
It's somewhat scale dependent. If you zoom in enough on the OP image you can make out the cross-hatching quite easily, but at preview scale (i.e. standing further away from someone wearing such a shirt) the illusion's OK.